Even afterher death, Princess Diana remains one of the most well-respected women in the world.

Her candor irked a few royals, including Queen Elizabeth’s sister,Princess Margaret.

In fact, one insider says that Margaret took her hatred of Diana to the grave.

Princess Diana looking slightly away from the camera

“She subsequently burned all Diana’s correspondence between herself and her mother.

And Margaret’s opinion didn’t soften after Diana’s death in 1997.

Princess Margaret & Princess Diana standing next to each other